mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
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c39c0c7264
And also implement a FormatValue type that holds a value together with its format to make usage of the positions/durations/seek positions/etc more convenient and safe. Fixes https://github.com/sdroege/gstreamer-rs/issues/3
132 lines
3.6 KiB
Rust
132 lines
3.6 KiB
Rust
#[cfg(feature = "gtksink")]
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extern crate gstreamer as gst;
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#[cfg(feature = "gtksink")]
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use gst::prelude::*;
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#[cfg(feature = "gtksink")]
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extern crate glib;
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#[cfg(feature = "gtksink")]
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extern crate gio;
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#[cfg(feature = "gtksink")]
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use gio::prelude::*;
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#[cfg(feature = "gtksink")]
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extern crate gtk;
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#[cfg(feature = "gtksink")]
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use gtk::prelude::*;
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#[cfg(feature = "gtksink")]
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use std::env;
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#[cfg(feature = "gtksink")]
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extern crate send_cell;
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#[cfg(feature = "gtksink")]
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use send_cell::SendCell;
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#[cfg(feature = "gtksink")]
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fn create_ui(app: >k::Application) {
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let pipeline = gst::Pipeline::new(None);
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let src = gst::ElementFactory::make("videotestsrc", None).unwrap();
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let (sink, widget) = if let Some(gtkglsink) = gst::ElementFactory::make("gtkglsink", None) {
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let glsinkbin = gst::ElementFactory::make("glsinkbin", None).unwrap();
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glsinkbin
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.set_property("sink", >kglsink.to_value())
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.unwrap();
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let widget = gtkglsink.get_property("widget").unwrap();
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(glsinkbin, widget.get::<gtk::Widget>().unwrap())
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} else {
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let sink = gst::ElementFactory::make("gtksink", None).unwrap();
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let widget = sink.get_property("widget").unwrap();
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(sink, widget.get::<gtk::Widget>().unwrap())
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};
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pipeline.add_many(&[&src, &sink]).unwrap();
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src.link(&sink).unwrap();
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let window = gtk::Window::new(gtk::WindowType::Toplevel);
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window.set_default_size(320, 240);
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let vbox = gtk::Box::new(gtk::Orientation::Vertical, 0);
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vbox.pack_start(&widget, true, true, 0);
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let label = gtk::Label::new("Position: 00:00:00");
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vbox.pack_start(&label, true, true, 5);
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window.add(&vbox);
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window.show_all();
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app.add_window(&window);
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let pipeline_clone = pipeline.clone();
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gtk::timeout_add(500, move || {
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let pipeline = &pipeline_clone;
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let position = if let Some(gst::FormatValue::Time(position)) =
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pipeline.query_position(gst::Format::Time)
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{
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position
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} else {
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0.into()
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};
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label.set_text(&format!("Position: {:.0}", position));
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glib::Continue(true)
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});
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let app_clone = app.clone();
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window.connect_delete_event(move |_, _| {
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let app = &app_clone;
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app.quit();
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Inhibit(false)
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});
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let bus = pipeline.get_bus().unwrap();
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let ret = pipeline.set_state(gst::State::Playing);
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assert_ne!(ret, gst::StateChangeReturn::Failure);
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let app_clone = SendCell::new(app.clone());
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bus.add_watch(move |_, msg| {
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use gst::MessageView;
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let app = app_clone.borrow();
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match msg.view() {
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MessageView::Eos(..) => gtk::main_quit(),
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MessageView::Error(err) => {
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println!(
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"Error from {}: {} ({:?})",
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msg.get_src().get_path_string(),
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err.get_error(),
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err.get_debug()
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);
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app.quit();
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}
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_ => (),
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};
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glib::Continue(true)
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});
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let pipeline_clone = pipeline.clone();
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app.connect_shutdown(move |_| {
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let pipeline = &pipeline_clone;
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let ret = pipeline.set_state(gst::State::Null);
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assert_ne!(ret, gst::StateChangeReturn::Failure);
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});
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}
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#[cfg(feature = "gtksink")]
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fn main() {
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gst::init().unwrap();
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gtk::init().unwrap();
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let app = gtk::Application::new(None, gio::ApplicationFlags::FLAGS_NONE).unwrap();
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app.connect_activate(create_ui);
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let args = env::args().collect::<Vec<_>>();
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app.run(&args);
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}
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#[cfg(not(feature = "gtksink"))]
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fn main() {
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println!("Please compile with --feature gtksink");
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}
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